cut and paste it into word, highlight it then use alt x to see its unicode value.
a normal minus is \u002d but your minus is \u2013.

Instead of pasting t word,, you can paste the character into the top box at is https://www.branah.com/unicode-converter. That is a nice website for converting unicode text to unicode \u notation and the decimal equivalent.

By the way \u2013 is an En dash which is used to signify a range. for instance januayr endash december. Or atlantic endash pacific

This Micro Tutorial demonstrates in Microsoft Excel how to consolidate your marketing data by creating an interactive charts using form controls. This creates cool drop-downs for viewers of your chart to choose from.